- http://www.sciencedirect.com/science/article/pii/S0010782498001309
- http://www.newyorker.com/magazine/2011/11/14/birthright-2
- http://link.springer.com/referenceworkentry/10.1007/978-0-306-48113-0_65
- http://books.google.com/books?id=_Gx8oOw9DHQC&lpg=PA1&ots=_lfHndMmYE&dq=%22ethel%20byrne%22&lr&pg=PA22#v=onepage&q=%22ethel%20byrne%22&f=false
- http://books.google.com/books?id=vbQa8tnhr1EC&lpg=PA1&ots=yOyXX2hiZu&dq=%22ethel%20byrne%22&lr&pg=PA60#v=onepage&q=%22ethel%20byrne%22&f=false
- http://books.google.com/books?id=b3GBAwAAQBAJ&lpg=PT124&dq=%22ethel%20byrne%22&pg=PT125#v=onepage&q=%22ethel%20byrne%22&f=false
- http://books.google.com/books?id=kDKYxnmnYEYC&lpg=PA101&dq=%22ethel%20byrne%22&pg=PA103#v=onepage&q=%22ethel%20byrne%22&f=false
